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Dr. Ann McKee released the world's largest study of Chronic Traumatic Encephalopathy, or CTE, based on research done at the Department of Veteran Affairs. The new study demonstrates the strongest connection yet between routine blows to the head and severe brain damage. NBC's Rehema Ellis reports. (Nightly News)
Thirteen deaths over the past four years have been linked to the popular caffeinated drink 5-Hour Energy, according to the FDA. The company that distributes the drink says its product is safe when used as directed. TODAY's Natalie Morales reports. (TODAY)
Hundreds of women in Ireland are protesting, calling for legislative change after the death of Savita Halappanavar, who died after her requests for an abortion were rejected by her Irish doctors. NBC's Jim Maceda reports. (Nightly News)
Monster energy drink is being investigated in association with five deaths. NBC's Chris Clackum reports. (NBC News)
The International Academy of Compounding Pharmacists estimates there are 3,000 pharmacies in the United States providing medicines like the steroid injection that is believed to be the source of a fungal meningitis outbreak. NBC's Rehema Ellis reports. (Nightly News)
Studies suggest that a chemical used to prevent corrosion in the lining of cans and bottles can make fat cells bigger, and disrupt the balance of estrogen and testosterone in our bodies. NBC's Dr. Nancy Snyderman reports. (Nightly News)
Studies suggest that a chemical used to prevent corrosion in the lining of cans and bottles can make fat cells bigger, and disrupt the balance of estrogen and testosterone in our bodies. NBC's Dr. Nancy Snyderman reports. (Nightly News)
NBC's Atia Abawi reports from Afghanistan, where the Taliban is taking responsibility for a deadly attack on a military base occupied by Britain's Prince Harry. (msnbc)
Originally approved by the FDA to treat benign prostate problems, Propecia had a welcome side effect: hair growth. But the medication also has sexual side effects. Now, a new study says the medication may cause permanent problems. NBC's Dr. Nancy Snyderman reports. (Nightly News)
The 21-year-old father facing kidnapping and murder charges in the disappearance of California teen Sierra LaMar may be linked to other assault cases. NBC's Kristen Dahlgren reports. (TODAY)